... Flaw Detector P/N: YUT2820 YUT2820 Portable Digital Ultrasonic Flaw Detector Functions1. Wave peak memory: real time envelopes ... S, horizontal X, depth Y, and wave height H.7. Digital Reject: 0-80%, increase by 1%, unaffecting the linearity and ... allowance: ≥55dB (0.787’’ deep Φ2 Flat-bottom hole)Data storage: 1000 data sets, including flaw detection status parameters, echoes, DAC ...